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Use $dbw->addQuotes :)
[lhc/web/wiklou.git] / includes / EditPage.php
1 <?php
2 /**
3 * Contains the EditPage class
4 * @file
5 */
6
7 /**
8 * The edit page/HTML interface (split from Article)
9 * The actual database and text munging is still in Article,
10 * but it should get easier to call those from alternate
11 * interfaces.
12 *
13 * EditPage cares about two distinct titles:
14 * $wgTitle is the page that forms submit to, links point to,
15 * redirects go to, etc. $this->mTitle (as well as $mArticle) is the
16 * page in the database that is actually being edited. These are
17 * usually the same, but they are now allowed to be different.
18 */
19 class EditPage {
20 const AS_SUCCESS_UPDATE = 200;
21 const AS_SUCCESS_NEW_ARTICLE = 201;
22 const AS_HOOK_ERROR = 210;
23 const AS_FILTERING = 211;
24 const AS_HOOK_ERROR_EXPECTED = 212;
25 const AS_BLOCKED_PAGE_FOR_USER = 215;
26 const AS_CONTENT_TOO_BIG = 216;
27 const AS_USER_CANNOT_EDIT = 217;
28 const AS_READ_ONLY_PAGE_ANON = 218;
29 const AS_READ_ONLY_PAGE_LOGGED = 219;
30 const AS_READ_ONLY_PAGE = 220;
31 const AS_RATE_LIMITED = 221;
32 const AS_ARTICLE_WAS_DELETED = 222;
33 const AS_NO_CREATE_PERMISSION = 223;
34 const AS_BLANK_ARTICLE = 224;
35 const AS_CONFLICT_DETECTED = 225;
36 const AS_SUMMARY_NEEDED = 226;
37 const AS_TEXTBOX_EMPTY = 228;
38 const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
39 const AS_OK = 230;
40 const AS_END = 231;
41 const AS_SPAM_ERROR = 232;
42 const AS_IMAGE_REDIRECT_ANON = 233;
43 const AS_IMAGE_REDIRECT_LOGGED = 234;
44
45 var $mArticle;
46 var $mTitle;
47 var $action;
48 var $mMetaData = '';
49 var $isConflict = false;
50 var $isCssJsSubpage = false;
51 var $deletedSinceEdit = false;
52 var $formtype;
53 var $firsttime;
54 var $lastDelete;
55 var $mTokenOk = false;
56 var $mTokenOkExceptSuffix = false;
57 var $mTriedSave = false;
58 var $tooBig = false;
59 var $kblength = false;
60 var $missingComment = false;
61 var $missingSummary = false;
62 var $allowBlankSummary = false;
63 var $autoSumm = '';
64 var $hookError = '';
65 #var $mPreviewTemplates;
66 var $mParserOutput;
67 var $mBaseRevision = false;
68
69 # Form values
70 var $save = false, $preview = false, $diff = false;
71 var $minoredit = false, $watchthis = false, $recreate = false;
72 var $textbox1 = '', $textbox2 = '', $summary = '';
73 var $edittime = '', $section = '', $starttime = '';
74 var $oldid = 0, $editintro = '', $scrolltop = null;
75
76 # Placeholders for text injection by hooks (must be HTML)
77 # extensions should take care to _append_ to the present value
78 public $editFormPageTop; // Before even the preview
79 public $editFormTextTop;
80 public $editFormTextBeforeContent;
81 public $editFormTextAfterWarn;
82 public $editFormTextAfterTools;
83 public $editFormTextBottom;
84
85 /* $didSave should be set to true whenever an article was succesfully altered. */
86 public $didSave = false;
87
88 public $suppressIntro = false;
89
90 /**
91 * @todo document
92 * @param $article
93 */
94 function EditPage( $article ) {
95 $this->mArticle =& $article;
96 $this->mTitle = $article->getTitle();
97 $this->action = 'submit';
98
99 # Placeholders for text injection by hooks (empty per default)
100 $this->editFormPageTop =
101 $this->editFormTextTop =
102 $this->editFormTextBeforeContent =
103 $this->editFormTextAfterWarn =
104 $this->editFormTextAfterTools =
105 $this->editFormTextBottom = "";
106 }
107
108 /**
109 * Fetch initial editing page content.
110 * @private
111 */
112 function getContent( $def_text = '' ) {
113 global $wgOut, $wgRequest, $wgParser, $wgContLang, $wgMessageCache;
114
115 wfProfileIn( __METHOD__ );
116 # Get variables from query string :P
117 $section = $wgRequest->getVal( 'section' );
118 $preload = $wgRequest->getVal( 'preload' );
119 $undoafter = $wgRequest->getVal( 'undoafter' );
120 $undo = $wgRequest->getVal( 'undo' );
121
122 $text = '';
123 // For message page not locally set, use the i18n message.
124 // For other non-existent articles, use preload text if any.
125 if ( !$this->mTitle->exists() ) {
126 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
127 # If this is a system message, get the default text.
128 list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle->getText() ) );
129 $wgMessageCache->loadAllMessages( $lang );
130 $text = wfMsgGetKey( $message, false, $lang, false );
131 if( wfEmptyMsg( $message, $text ) )
132 $text = '';
133 } else {
134 # If requested, preload some text.
135 $text = $this->getPreloadedText( $preload );
136 }
137 // For existing pages, get text based on "undo" or section parameters.
138 } else {
139 $text = $this->mArticle->getContent();
140 if ( $undo > 0 && $undoafter > 0 && $undo < $undoafter ) {
141 # If they got undoafter and undo round the wrong way, switch them
142 list( $undo, $undoafter ) = array( $undoafter, $undo );
143 }
144 if ( $undo > 0 && $undo > $undoafter ) {
145 # Undoing a specific edit overrides section editing; section-editing
146 # doesn't work with undoing.
147 if ( $undoafter ) {
148 $undorev = Revision::newFromId($undo);
149 $oldrev = Revision::newFromId($undoafter);
150 } else {
151 $undorev = Revision::newFromId($undo);
152 $oldrev = $undorev ? $undorev->getPrevious() : null;
153 }
154
155 # Sanity check, make sure it's the right page,
156 # the revisions exist and they were not deleted.
157 # Otherwise, $text will be left as-is.
158 if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
159 $undorev->getPage() == $oldrev->getPage() &&
160 $undorev->getPage() == $this->mArticle->getID() &&
161 !$undorev->isDeleted( Revision::DELETED_TEXT ) &&
162 !$oldrev->isDeleted( Revision::DELETED_TEXT ) ) {
163 $undorev_text = $undorev->getText();
164 $oldrev_text = $oldrev->getText();
165 $currev_text = $text;
166
167 if ( $currev_text != $undorev_text ) {
168 $result = wfMerge( $undorev_text, $oldrev_text, $currev_text, $text );
169 } else {
170 # No use doing a merge if it's just a straight revert.
171 $text = $oldrev_text;
172 $result = true;
173 }
174 if ( $result ) {
175 # Inform the user of our success and set an automatic edit summary
176 $this->editFormPageTop .= $wgOut->parse( wfMsgNoTrans( 'undo-success' ) );
177 $firstrev = $oldrev->getNext();
178 # If we just undid one rev, use an autosummary
179 if ( $firstrev->mId == $undo ) {
180 $this->summary = wfMsgForContent('undo-summary', $undo, $undorev->getUserText());
181 }
182 $this->formtype = 'diff';
183 } else {
184 # Warn the user that something went wrong
185 $this->editFormPageTop .= $wgOut->parse( wfMsgNoTrans( 'undo-failure' ) );
186 }
187 } else {
188 // Failed basic sanity checks.
189 // Older revisions may have been removed since the link
190 // was created, or we may simply have got bogus input.
191 $this->editFormPageTop .= $wgOut->parse( wfMsgNoTrans( 'undo-norev' ) );
192 }
193 } else if ( $section != '' ) {
194 if ( $section == 'new' ) {
195 $text = $this->getPreloadedText( $preload );
196 } else {
197 $text = $wgParser->getSection( $text, $section, $def_text );
198 }
199 }
200 }
201
202 wfProfileOut( __METHOD__ );
203 return $text;
204 }
205
206 /**
207 * Get the contents of a page from its title and remove includeonly tags
208 *
209 * @param $preload String: the title of the page.
210 * @return string The contents of the page.
211 */
212 protected function getPreloadedText( $preload ) {
213 if ( $preload === '' ) {
214 return '';
215 } else {
216 $preloadTitle = Title::newFromText( $preload );
217 if ( isset( $preloadTitle ) && $preloadTitle->userCanRead() ) {
218 $rev = Revision::newFromTitle($preloadTitle);
219 if ( is_object( $rev ) ) {
220 $text = $rev->getText();
221 // TODO FIXME: AAAAAAAAAAA, this shouldn't be implementing
222 // its own mini-parser! -ævar
223 $text = preg_replace( '~</?includeonly>~', '', $text );
224 return $text;
225 } else
226 return '';
227 }
228 }
229 }
230
231 /**
232 * This is the function that extracts metadata from the article body on the first view.
233 * To turn the feature on, set $wgUseMetadataEdit = true ; in LocalSettings
234 * and set $wgMetadataWhitelist to the *full* title of the template whitelist
235 */
236 function extractMetaDataFromArticle () {
237 global $wgUseMetadataEdit, $wgMetadataWhitelist, $wgContLang;
238 $this->mMetaData = '';
239 if ( !$wgUseMetadataEdit ) return;
240 if ( $wgMetadataWhitelist == '' ) return;
241 $s = '';
242 $t = $this->getContent();
243
244 # MISSING : <nowiki> filtering
245
246 # Categories and language links
247 $t = explode ( "\n" , $t );
248 $catlow = strtolower ( $wgContLang->getNsText( NS_CATEGORY ) );
249 $cat = $ll = array();
250 foreach ( $t AS $key => $x ) {
251 $y = trim ( strtolower ( $x ) );
252 while ( substr ( $y , 0 , 2 ) == '[[' ) {
253 $y = explode ( ']]' , trim ( $x ) );
254 $first = array_shift ( $y );
255 $first = explode ( ':' , $first );
256 $ns = array_shift ( $first );
257 $ns = trim ( str_replace ( '[' , '' , $ns ) );
258 if ( $wgContLang->getLanguageName( $ns ) || strtolower ( $ns ) == $catlow ) {
259 $add = '[[' . $ns . ':' . implode ( ':' , $first ) . ']]';
260 if ( strtolower ( $ns ) == $catlow ) $cat[] = $add;
261 else $ll[] = $add;
262 $x = implode ( ']]' , $y );
263 $t[$key] = $x;
264 $y = trim ( strtolower ( $x ) );
265 } else {
266 $x = implode ( ']]' , $y );
267 $y = trim ( strtolower ( $x ) );
268 }
269 }
270 }
271 if ( count ( $cat ) ) $s .= implode ( ' ' , $cat ) . "\n";
272 if ( count ( $ll ) ) $s .= implode ( ' ' , $ll ) . "\n";
273 $t = implode ( "\n" , $t );
274
275 # Load whitelist
276 $sat = array () ; # stand-alone-templates; must be lowercase
277 $wl_title = Title::newFromText ( $wgMetadataWhitelist );
278 $wl_article = new Article ( $wl_title );
279 $wl = explode ( "\n" , $wl_article->getContent() );
280 foreach ( $wl AS $x ) {
281 $isentry = false;
282 $x = trim ( $x );
283 while ( substr ( $x , 0 , 1 ) == '*' ) {
284 $isentry = true;
285 $x = trim ( substr ( $x , 1 ) );
286 }
287 if ( $isentry ) {
288 $sat[] = strtolower ( $x );
289 }
290
291 }
292
293 # Templates, but only some
294 $t = explode ( '{{' , $t );
295 $tl = array () ;
296 foreach ( $t AS $key => $x ) {
297 $y = explode ( '}}' , $x , 2 );
298 if ( count ( $y ) == 2 ) {
299 $z = $y[0];
300 $z = explode ( '|' , $z );
301 $tn = array_shift ( $z );
302 if ( in_array ( strtolower ( $tn ) , $sat ) ) {
303 $tl[] = '{{' . $y[0] . '}}';
304 $t[$key] = $y[1];
305 $y = explode ( '}}' , $y[1] , 2 );
306 }
307 else $t[$key] = '{{' . $x;
308 }
309 else if ( $key != 0 ) $t[$key] = '{{' . $x;
310 else $t[$key] = $x;
311 }
312 if ( count ( $tl ) ) $s .= implode ( ' ' , $tl );
313 $t = implode ( '' , $t );
314
315 $t = str_replace ( "\n\n\n" , "\n" , $t );
316 $this->mArticle->mContent = $t;
317 $this->mMetaData = $s;
318 }
319
320 /*
321 * Check if a page was deleted while the user was editing it, before submit.
322 * Note that we rely on the logging table, which hasn't been always there,
323 * but that doesn't matter, because this only applies to brand new
324 * deletes.
325 */
326 protected function wasDeletedSinceLastEdit() {
327 if ( $this->deletedSinceEdit )
328 return true;
329 if ( $this->mTitle->isDeleted() ) {
330 $this->lastDelete = $this->getLastDelete();
331 if ( $this->lastDelete ) {
332 $deleteTime = wfTimestamp( TS_MW, $this->lastDelete->log_timestamp );
333 if ( $deleteTime > $this->starttime ) {
334 $this->deletedSinceEdit = true;
335 }
336 }
337 }
338 return $this->deletedSinceEdit;
339 }
340
341 function submit() {
342 $this->edit();
343 }
344
345 /**
346 * This is the function that gets called for "action=edit". It
347 * sets up various member variables, then passes execution to
348 * another function, usually showEditForm()
349 *
350 * The edit form is self-submitting, so that when things like
351 * preview and edit conflicts occur, we get the same form back
352 * with the extra stuff added. Only when the final submission
353 * is made and all is well do we actually save and redirect to
354 * the newly-edited page.
355 */
356 function edit() {
357 global $wgOut, $wgUser, $wgRequest;
358 // Allow extensions to modify/prevent this form or submission
359 if ( !wfRunHooks( 'AlternateEdit', array( &$this ) ) ) {
360 return;
361 }
362
363 wfProfileIn( __METHOD__ );
364 wfDebug( __METHOD__.": enter\n" );
365
366 // This is not an article
367 $wgOut->setArticleFlag( false );
368
369 $this->importFormData( $wgRequest );
370 $this->firsttime = false;
371
372 if ( $this->live ) {
373 $this->livePreview();
374 wfProfileOut( __METHOD__ );
375 return;
376 }
377
378 if ( wfReadOnly() ) {
379 if ( $this->save ){
380 // Force preview
381 $this->save = false;
382 $this->preview = true;
383 } elseif ( $this->preview || $this->diff ) {
384 // A warning will be displayed instead
385 } else {
386 $this->readOnlyPage( $this->getContent() );
387 wfProfileOut( __METHOD__ );
388 return;
389 }
390 }
391
392 $wgOut->addScriptFile( 'edit.js' );
393 $permErrors = $this->getEditPermissionErrors();
394 if ( $permErrors ) {
395 wfDebug( __METHOD__.": User can't edit\n" );
396 $this->readOnlyPage( $this->getContent(), true, $permErrors, 'edit' );
397 wfProfileOut( __METHOD__ );
398 return;
399 } else {
400 if ( $this->save ) {
401 $this->formtype = 'save';
402 } else if ( $this->preview ) {
403 $this->formtype = 'preview';
404 } else if ( $this->diff ) {
405 $this->formtype = 'diff';
406 } else { # First time through
407 $this->firsttime = true;
408 if ( $this->previewOnOpen() ) {
409 $this->formtype = 'preview';
410 } else {
411 $this->extractMetaDataFromArticle () ;
412 $this->formtype = 'initial';
413 }
414 }
415 }
416
417 wfProfileIn( __METHOD__."-business-end" );
418
419 $this->isConflict = false;
420 // css / js subpages of user pages get a special treatment
421 $this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
422 $this->isValidCssJsSubpage = $this->mTitle->isValidCssJsSubpage();
423
424 # Show applicable editing introductions
425 if ( $this->formtype == 'initial' || $this->firsttime )
426 $this->showIntro();
427
428 if ( $this->mTitle->isTalkPage() ) {
429 $wgOut->addWikiMsg( 'talkpagetext' );
430 }
431
432 # Optional notices on a per-namespace and per-page basis
433 $editnotice_ns = 'editnotice-'.$this->mTitle->getNamespace();
434 $editnotice_page = $editnotice_ns.'-'.$this->mTitle->getDBkey();
435 if ( !wfEmptyMsg( $editnotice_ns, wfMsgForContent( $editnotice_ns ) ) ) {
436 $wgOut->addWikiText( wfMsgForContent( $editnotice_ns ) );
437 }
438 if ( MWNamespace::hasSubpages( $this->mTitle->getNamespace() ) ) {
439 $parts = explode( '/', $this->mTitle->getDBkey() );
440 $editnotice_base = $editnotice_ns;
441 while ( count( $parts ) > 0 ) {
442 $editnotice_base .= '-'.array_shift( $parts );
443 if ( !wfEmptyMsg( $editnotice_base, wfMsgForContent( $editnotice_base ) ) ) {
444 $wgOut->addWikiText( wfMsgForContent( $editnotice_base ) );
445 }
446 }
447 } else if ( !wfEmptyMsg( $editnotice_page, wfMsgForContent( $editnotice_page ) ) ) {
448 $wgOut->addWikiText( wfMsgForContent( $editnotice_page ) );
449 }
450
451 # Attempt submission here. This will check for edit conflicts,
452 # and redundantly check for locked database, blocked IPs, etc.
453 # that edit() already checked just in case someone tries to sneak
454 # in the back door with a hand-edited submission URL.
455
456 if ( 'save' == $this->formtype ) {
457 if ( !$this->attemptSave() ) {
458 wfProfileOut( __METHOD__."-business-end" );
459 wfProfileOut( __METHOD__ );
460 return;
461 }
462 }
463
464 # First time through: get contents, set time for conflict
465 # checking, etc.
466 if ( 'initial' == $this->formtype || $this->firsttime ) {
467 if ( $this->initialiseForm() === false) {
468 $this->noSuchSectionPage();
469 wfProfileOut( __METHOD__."-business-end" );
470 wfProfileOut( __METHOD__ );
471 return;
472 }
473 if ( !$this->mTitle->getArticleId() )
474 wfRunHooks( 'EditFormPreloadText', array( &$this->textbox1, &$this->mTitle ) );
475 }
476
477 $this->showEditForm();
478 wfProfileOut( __METHOD__."-business-end" );
479 wfProfileOut( __METHOD__ );
480 }
481
482 protected function getEditPermissionErrors() {
483 global $wgUser;
484 $permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
485 # Can this title be created?
486 if ( !$this->mTitle->exists() ) {
487 $permErrors = array_merge( $permErrors,
488 wfArrayDiff2( $this->mTitle->getUserPermissionsErrors( 'create', $wgUser ), $permErrors ) );
489 }
490 # Ignore some permissions errors when a user is just previewing/viewing diffs
491 $remove = array();
492 foreach( $permErrors as $error ) {
493 if ( ($this->preview || $this->diff) &&
494 ($error[0] == 'blockedtext' || $error[0] == 'autoblockedtext') )
495 {
496 $remove[] = $error;
497 }
498 }
499 $permErrors = wfArrayDiff2( $permErrors, $remove );
500 return $permErrors;
501 }
502
503 /**
504 * Show a read-only error
505 * Parameters are the same as OutputPage:readOnlyPage()
506 * Redirect to the article page if redlink=1
507 */
508 function readOnlyPage( $source = null, $protected = false, $reasons = array(), $action = null ) {
509 global $wgRequest, $wgOut;
510 if ( $wgRequest->getBool( 'redlink' ) ) {
511 // The edit page was reached via a red link.
512 // Redirect to the article page and let them click the edit tab if
513 // they really want a permission error.
514 $wgOut->redirect( $this->mTitle->getFullUrl() );
515 } else {
516 $wgOut->readOnlyPage( $source, $protected, $reasons, $action );
517 }
518 }
519
520 /**
521 * Should we show a preview when the edit form is first shown?
522 *
523 * @return bool
524 */
525 protected function previewOnOpen() {
526 global $wgRequest, $wgUser;
527 if ( $wgRequest->getVal( 'preview' ) == 'yes' ) {
528 // Explicit override from request
529 return true;
530 } elseif ( $wgRequest->getVal( 'preview' ) == 'no' ) {
531 // Explicit override from request
532 return false;
533 } elseif ( $this->section == 'new' ) {
534 // Nothing *to* preview for new sections
535 return false;
536 } elseif ( ( $wgRequest->getVal( 'preload' ) !== '' || $this->mTitle->exists() ) && $wgUser->getOption( 'previewonfirst' ) ) {
537 // Standard preference behaviour
538 return true;
539 } elseif ( !$this->mTitle->exists() && $this->mTitle->getNamespace() == NS_CATEGORY ) {
540 // Categories are special
541 return true;
542 } else {
543 return false;
544 }
545 }
546
547 /**
548 * @todo document
549 * @param $request
550 */
551 function importFormData( &$request ) {
552 global $wgLang, $wgUser;
553 $fname = 'EditPage::importFormData';
554 wfProfileIn( $fname );
555
556 # Section edit can come from either the form or a link
557 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
558
559 if ( $request->wasPosted() ) {
560 # These fields need to be checked for encoding.
561 # Also remove trailing whitespace, but don't remove _initial_
562 # whitespace from the text boxes. This may be significant formatting.
563 $this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
564 $this->textbox2 = $this->safeUnicodeInput( $request, 'wpTextbox2' );
565 $this->mMetaData = rtrim( $request->getText( 'metadata' ) );
566 # Truncate for whole multibyte characters. +5 bytes for ellipsis
567 $this->summary = $wgLang->truncate( $request->getText( 'wpSummary' ), 250 );
568
569 # Remove extra headings from summaries and new sections.
570 $this->summary = preg_replace('/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary);
571
572 $this->edittime = $request->getVal( 'wpEdittime' );
573 $this->starttime = $request->getVal( 'wpStarttime' );
574
575 $this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
576
577 if ( is_null($this->section) || !$this->edittime || !$this->starttime ) {
578 # If the form is incomplete, force to preview.
579 wfDebug( "$fname: Form data appears to be incomplete\n" );
580 wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
581 $this->preview = true;
582 } else {
583 /* Fallback for live preview */
584 $this->preview = $request->getCheck( 'wpPreview' ) || $request->getCheck( 'wpLivePreview' );
585 $this->diff = $request->getCheck( 'wpDiff' );
586
587 // Remember whether a save was requested, so we can indicate
588 // if we forced preview due to session failure.
589 $this->mTriedSave = !$this->preview;
590
591 if ( $this->tokenOk( $request ) ) {
592 # Some browsers will not report any submit button
593 # if the user hits enter in the comment box.
594 # The unmarked state will be assumed to be a save,
595 # if the form seems otherwise complete.
596 wfDebug( "$fname: Passed token check.\n" );
597 } else if ( $this->diff ) {
598 # Failed token check, but only requested "Show Changes".
599 wfDebug( "$fname: Failed token check; Show Changes requested.\n" );
600 } else {
601 # Page might be a hack attempt posted from
602 # an external site. Preview instead of saving.
603 wfDebug( "$fname: Failed token check; forcing preview\n" );
604 $this->preview = true;
605 }
606 }
607 $this->save = !$this->preview && !$this->diff;
608 if ( !preg_match( '/^\d{14}$/', $this->edittime )) {
609 $this->edittime = null;
610 }
611
612 if ( !preg_match( '/^\d{14}$/', $this->starttime )) {
613 $this->starttime = null;
614 }
615
616 $this->recreate = $request->getCheck( 'wpRecreate' );
617
618 $this->minoredit = $request->getCheck( 'wpMinoredit' );
619 $this->watchthis = $request->getCheck( 'wpWatchthis' );
620
621 # Don't force edit summaries when a user is editing their own user or talk page
622 if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK ) &&
623 $this->mTitle->getText() == $wgUser->getName() )
624 {
625 $this->allowBlankSummary = true;
626 } else {
627 $this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' ) || !$wgUser->getOption( 'forceeditsummary');
628 }
629
630 $this->autoSumm = $request->getText( 'wpAutoSummary' );
631 } else {
632 # Not a posted form? Start with nothing.
633 wfDebug( "$fname: Not a posted form.\n" );
634 $this->textbox1 = '';
635 $this->textbox2 = '';
636 $this->mMetaData = '';
637 $this->summary = '';
638 $this->edittime = '';
639 $this->starttime = wfTimestampNow();
640 $this->edit = false;
641 $this->preview = false;
642 $this->save = false;
643 $this->diff = false;
644 $this->minoredit = false;
645 $this->watchthis = false;
646 $this->recreate = false;
647
648 if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
649 $this->summary = $request->getVal( 'preloadtitle' );
650 }
651 }
652
653 $this->oldid = $request->getInt( 'oldid' );
654
655 $this->live = $request->getCheck( 'live' );
656 $this->editintro = $request->getText( 'editintro' );
657
658 wfProfileOut( $fname );
659 }
660
661 /**
662 * Make sure the form isn't faking a user's credentials.
663 *
664 * @param $request WebRequest
665 * @return bool
666 * @private
667 */
668 function tokenOk( &$request ) {
669 global $wgUser;
670 $token = $request->getVal( 'wpEditToken' );
671 $this->mTokenOk = $wgUser->matchEditToken( $token );
672 $this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
673 return $this->mTokenOk;
674 }
675
676 /**
677 * Show all applicable editing introductions
678 */
679 protected function showIntro() {
680 global $wgOut, $wgUser;
681 if ( $this->suppressIntro ) {
682 return;
683 }
684 # Show a warning message when someone creates/edits a user (talk) page but the user does not exists
685 if ( $this->mTitle->getNamespace() == NS_USER || $this->mTitle->getNamespace() == NS_USER_TALK ) {
686 $parts = explode( '/', $this->mTitle->getText(), 2 );
687 $username = $parts[0];
688 $id = User::idFromName( $username );
689 $ip = User::isIP( $username );
690 if ( $id == 0 && !$ip ) {
691 $wgOut->wrapWikiMsg( '<div class="mw-userpage-userdoesnotexist error">$1</div>',
692 array( 'userpage-userdoesnotexist', $username ) );
693 }
694 }
695 # Try to add a custom edit intro, or use the standard one if this is not possible.
696 if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
697 if ( $wgUser->isLoggedIn() ) {
698 $wgOut->wrapWikiMsg( '<div class="mw-newarticletext">$1</div>', 'newarticletext' );
699 } else {
700 $wgOut->wrapWikiMsg( '<div class="mw-newarticletextanon">$1</div>', 'newarticletextanon' );
701 }
702 }
703 # Give a notice if the user is editing a deleted page...
704 if ( !$this->mTitle->exists() ) {
705 $this->showDeletionLog( $wgOut );
706 }
707 }
708
709 /**
710 * Attempt to show a custom editing introduction, if supplied
711 *
712 * @return bool
713 */
714 protected function showCustomIntro() {
715 if ( $this->editintro ) {
716 $title = Title::newFromText( $this->editintro );
717 if ( $title instanceof Title && $title->exists() && $title->userCanRead() ) {
718 global $wgOut;
719 $revision = Revision::newFromTitle( $title );
720 $wgOut->addWikiTextTitleTidy( $revision->getText(), $this->mTitle );
721 return true;
722 } else {
723 return false;
724 }
725 } else {
726 return false;
727 }
728 }
729
730 /**
731 * Attempt submission (no UI)
732 * @return one of the constants describing the result
733 */
734 function internalAttemptSave( &$result, $bot = false ) {
735 global $wgFilterCallback, $wgUser, $wgOut, $wgParser;
736 global $wgMaxArticleSize;
737
738 $fname = 'EditPage::attemptSave';
739 wfProfileIn( $fname );
740 wfProfileIn( "$fname-checks" );
741
742 if ( !wfRunHooks( 'EditPage::attemptSave', array( &$this ) ) )
743 {
744 wfDebug( "Hook 'EditPage::attemptSave' aborted article saving" );
745 return self::AS_HOOK_ERROR;
746 }
747
748 # Check image redirect
749 if ( $this->mTitle->getNamespace() == NS_IMAGE &&
750 Title::newFromRedirect( $this->textbox1 ) instanceof Title &&
751 !$wgUser->isAllowed( 'upload' ) ) {
752 if ( $wgUser->isAnon() ) {
753 return self::AS_IMAGE_REDIRECT_ANON;
754 } else {
755 return self::AS_IMAGE_REDIRECT_LOGGED;
756 }
757 }
758
759 # Reintegrate metadata
760 if ( $this->mMetaData != '' ) $this->textbox1 .= "\n" . $this->mMetaData ;
761 $this->mMetaData = '' ;
762
763 # Check for spam
764 $match = self::matchSpamRegex( $this->summary );
765 if ( $match === false ) {
766 $match = self::matchSpamRegex( $this->textbox1 );
767 }
768 if ( $match !== false ) {
769 $result['spam'] = $match;
770 $ip = wfGetIP();
771 $pdbk = $this->mTitle->getPrefixedDBkey();
772 $match = str_replace( "\n", '', $match );
773 wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
774 wfProfileOut( "$fname-checks" );
775 wfProfileOut( $fname );
776 return self::AS_SPAM_ERROR;
777 }
778 if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section, $this->hookError, $this->summary ) ) {
779 # Error messages or other handling should be performed by the filter function
780 wfProfileOut( "$fname-checks" );
781 wfProfileOut( $fname );
782 return self::AS_FILTERING;
783 }
784 if ( !wfRunHooks( 'EditFilter', array( $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ) ) ) {
785 # Error messages etc. could be handled within the hook...
786 wfProfileOut( "$fname-checks" );
787 wfProfileOut( $fname );
788 return self::AS_HOOK_ERROR;
789 } elseif ( $this->hookError != '' ) {
790 # ...or the hook could be expecting us to produce an error
791 wfProfileOut( "$fname-checks" );
792 wfProfileOut( $fname );
793 return self::AS_HOOK_ERROR_EXPECTED;
794 }
795 if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
796 # Check block state against master, thus 'false'.
797 wfProfileOut( "$fname-checks" );
798 wfProfileOut( $fname );
799 return self::AS_BLOCKED_PAGE_FOR_USER;
800 }
801 $this->kblength = (int)(strlen( $this->textbox1 ) / 1024);
802 if ( $this->kblength > $wgMaxArticleSize ) {
803 // Error will be displayed by showEditForm()
804 $this->tooBig = true;
805 wfProfileOut( "$fname-checks" );
806 wfProfileOut( $fname );
807 return self::AS_CONTENT_TOO_BIG;
808 }
809
810 if ( !$wgUser->isAllowed('edit') ) {
811 if ( $wgUser->isAnon() ) {
812 wfProfileOut( "$fname-checks" );
813 wfProfileOut( $fname );
814 return self::AS_READ_ONLY_PAGE_ANON;
815 }
816 else {
817 wfProfileOut( "$fname-checks" );
818 wfProfileOut( $fname );
819 return self::AS_READ_ONLY_PAGE_LOGGED;
820 }
821 }
822
823 if ( wfReadOnly() ) {
824 wfProfileOut( "$fname-checks" );
825 wfProfileOut( $fname );
826 return self::AS_READ_ONLY_PAGE;
827 }
828 if ( $wgUser->pingLimiter() ) {
829 wfProfileOut( "$fname-checks" );
830 wfProfileOut( $fname );
831 return self::AS_RATE_LIMITED;
832 }
833
834 # If the article has been deleted while editing, don't save it without
835 # confirmation
836 if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
837 wfProfileOut( "$fname-checks" );
838 wfProfileOut( $fname );
839 return self::AS_ARTICLE_WAS_DELETED;
840 }
841
842 wfProfileOut( "$fname-checks" );
843
844 # If article is new, insert it.
845 $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
846 if ( 0 == $aid ) {
847 // Late check for create permission, just in case *PARANOIA*
848 if ( !$this->mTitle->userCan( 'create' ) ) {
849 wfDebug( "$fname: no create permission\n" );
850 wfProfileOut( $fname );
851 return self::AS_NO_CREATE_PERMISSION;
852 }
853
854 # Don't save a new article if it's blank.
855 if ( '' == $this->textbox1 ) {
856 wfProfileOut( $fname );
857 return self::AS_BLANK_ARTICLE;
858 }
859
860 // Run post-section-merge edit filter
861 if ( !wfRunHooks( 'EditFilterMerged', array( $this, $this->textbox1, &$this->hookError, $this->summary ) ) ) {
862 # Error messages etc. could be handled within the hook...
863 wfProfileOut( $fname );
864 return self::AS_HOOK_ERROR;
865 }
866
867 $isComment = ( $this->section == 'new' );
868
869 $this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
870 $this->minoredit, $this->watchthis, false, $isComment, $bot);
871
872 wfProfileOut( $fname );
873 return self::AS_SUCCESS_NEW_ARTICLE;
874 }
875
876 # Article exists. Check for edit conflict.
877
878 $this->mArticle->clear(); # Force reload of dates, etc.
879 $this->mArticle->forUpdate( true ); # Lock the article
880
881 wfDebug("timestamp: {$this->mArticle->getTimestamp()}, edittime: {$this->edittime}\n");
882
883 if ( $this->mArticle->getTimestamp() != $this->edittime ) {
884 $this->isConflict = true;
885 if ( $this->section == 'new' ) {
886 if ( $this->mArticle->getUserText() == $wgUser->getName() &&
887 $this->mArticle->getComment() == $this->summary ) {
888 // Probably a duplicate submission of a new comment.
889 // This can happen when squid resends a request after
890 // a timeout but the first one actually went through.
891 wfDebug( "EditPage::editForm duplicate new section submission; trigger edit conflict!\n" );
892 } else {
893 // New comment; suppress conflict.
894 $this->isConflict = false;
895 wfDebug( "EditPage::editForm conflict suppressed; new section\n" );
896 }
897 }
898 }
899 $userid = $wgUser->getId();
900
901 if ( $this->isConflict ) {
902 wfDebug( "EditPage::editForm conflict! getting section '$this->section' for time '$this->edittime' (article time '" .
903 $this->mArticle->getTimestamp() . "')\n" );
904 $text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary, $this->edittime);
905 }
906 else {
907 wfDebug( "EditPage::editForm getting section '$this->section'\n" );
908 $text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $this->summary);
909 }
910 if ( is_null( $text ) ) {
911 wfDebug( "EditPage::editForm activating conflict; section replace failed.\n" );
912 $this->isConflict = true;
913 $text = $this->textbox1;
914 }
915
916 # Suppress edit conflict with self, except for section edits where merging is required.
917 if ( $this->section == '' && $userid && $this->userWasLastToEdit($userid,$this->edittime) ) {
918 wfDebug( "EditPage::editForm Suppressing edit conflict, same user.\n" );
919 $this->isConflict = false;
920 } else {
921 # switch from section editing to normal editing in edit conflict
922 if ( $this->isConflict ) {
923 # Attempt merge
924 if ( $this->mergeChangesInto( $text ) ) {
925 // Successful merge! Maybe we should tell the user the good news?
926 $this->isConflict = false;
927 wfDebug( "EditPage::editForm Suppressing edit conflict, successful merge.\n" );
928 } else {
929 $this->section = '';
930 $this->textbox1 = $text;
931 wfDebug( "EditPage::editForm Keeping edit conflict, failed merge.\n" );
932 }
933 }
934 }
935
936 if ( $this->isConflict ) {
937 wfProfileOut( $fname );
938 return self::AS_CONFLICT_DETECTED;
939 }
940
941 $oldtext = $this->mArticle->getContent();
942
943 // Run post-section-merge edit filter
944 if ( !wfRunHooks( 'EditFilterMerged', array( $this, $text, &$this->hookError, $this->summary ) ) ) {
945 # Error messages etc. could be handled within the hook...
946 wfProfileOut( $fname );
947 return self::AS_HOOK_ERROR;
948 }
949
950 # Handle the user preference to force summaries here, but not for null edits
951 if ( $this->section != 'new' && !$this->allowBlankSummary && 0 != strcmp($oldtext, $text) &&
952 !is_object( Title::newFromRedirect( $text ) ) # check if it's not a redirect
953 ) {
954 if ( md5( $this->summary ) == $this->autoSumm ) {
955 $this->missingSummary = true;
956 wfProfileOut( $fname );
957 return self::AS_SUMMARY_NEEDED;
958 }
959 }
960
961 # And a similar thing for new sections
962 if ( $this->section == 'new' && !$this->allowBlankSummary ) {
963 if (trim($this->summary) == '') {
964 $this->missingSummary = true;
965 wfProfileOut( $fname );
966 return self::AS_SUMMARY_NEEDED;
967 }
968 }
969
970 # All's well
971 wfProfileIn( "$fname-sectionanchor" );
972 $sectionanchor = '';
973 if ( $this->section == 'new' ) {
974 if ( $this->textbox1 == '' ) {
975 $this->missingComment = true;
976 return self::AS_TEXTBOX_EMPTY;
977 }
978 if ( $this->summary != '' ) {
979 $sectionanchor = $wgParser->guessSectionNameFromWikiText( $this->summary );
980 # This is a new section, so create a link to the new section
981 # in the revision summary.
982 $cleanSummary = $wgParser->stripSectionName( $this->summary );
983 $this->summary = wfMsgForContent( 'newsectionsummary', $cleanSummary );
984 }
985 } elseif ( $this->section != '' ) {
986 # Try to get a section anchor from the section source, redirect to edited section if header found
987 # XXX: might be better to integrate this into Article::replaceSection
988 # for duplicate heading checking and maybe parsing
989 $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
990 # we can't deal with anchors, includes, html etc in the header for now,
991 # headline would need to be parsed to improve this
992 if ( $hasmatch and strlen($matches[2]) > 0 ) {
993 $sectionanchor = $wgParser->guessSectionNameFromWikiText( $matches[2] );
994 }
995 }
996 wfProfileOut( "$fname-sectionanchor" );
997
998 // Save errors may fall down to the edit form, but we've now
999 // merged the section into full text. Clear the section field
1000 // so that later submission of conflict forms won't try to
1001 // replace that into a duplicated mess.
1002 $this->textbox1 = $text;
1003 $this->section = '';
1004
1005 // Check for length errors again now that the section is merged in
1006 $this->kblength = (int)(strlen( $text ) / 1024);
1007 if ( $this->kblength > $wgMaxArticleSize ) {
1008 $this->tooBig = true;
1009 wfProfileOut( $fname );
1010 return self::AS_MAX_ARTICLE_SIZE_EXCEEDED;
1011 }
1012
1013 # update the article here
1014 if ( $this->mArticle->updateArticle( $text, $this->summary, $this->minoredit,
1015 $this->watchthis, $bot, $sectionanchor ) ) {
1016 wfProfileOut( $fname );
1017 return self::AS_SUCCESS_UPDATE;
1018 } else {
1019 $this->isConflict = true;
1020 }
1021 wfProfileOut( $fname );
1022 return self::AS_END;
1023 }
1024
1025 /**
1026 * Check if no edits were made by other users since
1027 * the time a user started editing the page. Limit to
1028 * 20 revisions for the sake of sanity.
1029 */
1030 protected function userWasLastToEdit( $id, $edittime ) {
1031 $dbw = wfGetDB( DB_MASTER );
1032 $res = $dbw->select( 'revision',
1033 'rev_user',
1034 array(
1035 'rev_page' => $this->mArticle->getId(),
1036 'rev_timestamp > '.$dbw->addQuotes( $dbw->timestamp($edittime) )
1037 ),
1038 __METHOD__,
1039 array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 20 ) );
1040 while( $row = $res->fetchObject() ) {
1041 if( $row->rev_user != $id ) {
1042 return false;
1043 }
1044 }
1045 return true;
1046 }
1047
1048 /**
1049 * Check given input text against $wgSpamRegex, and return the text of the first match.
1050 * @return mixed -- matching string or false
1051 */
1052 public static function matchSpamRegex( $text ) {
1053 global $wgSpamRegex;
1054 if ( $wgSpamRegex ) {
1055 // For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
1056 $regexes = (array)$wgSpamRegex;
1057 foreach( $regexes as $regex ) {
1058 $matches = array();
1059 if ( preg_match( $regex, $text, $matches ) ) {
1060 return $matches[0];
1061 }
1062 }
1063 }
1064 return false;
1065 }
1066
1067 /**
1068 * Initialise form fields in the object
1069 * Called on the first invocation, e.g. when a user clicks an edit link
1070 */
1071 function initialiseForm() {
1072 $this->edittime = $this->mArticle->getTimestamp();
1073 $this->textbox1 = $this->getContent( false );
1074 if ( $this->textbox1 === false ) return false;
1075 wfProxyCheck();
1076 return true;
1077 }
1078
1079 function setHeaders() {
1080 global $wgOut, $wgTitle;
1081 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1082 if ( $this->formtype == 'preview' ) {
1083 $wgOut->setPageTitleActionText( wfMsg( 'preview' ) );
1084 }
1085 if ( $this->isConflict ) {
1086 $wgOut->setPageTitle( wfMsg( 'editconflict', $wgTitle->getPrefixedText() ) );
1087 } elseif ( $this->section != '' ) {
1088 $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
1089 $wgOut->setPageTitle( wfMsg( $msg, $wgTitle->getPrefixedText() ) );
1090 } else {
1091 # Use the title defined by DISPLAYTITLE magic word when present
1092 if ( isset($this->mParserOutput)
1093 && ( $dt = $this->mParserOutput->getDisplayTitle() ) !== false ) {
1094 $title = $dt;
1095 } else {
1096 $title = $wgTitle->getPrefixedText();
1097 }
1098 $wgOut->setPageTitle( wfMsg( 'editing', $title ) );
1099 }
1100 }
1101
1102 /**
1103 * Send the edit form and related headers to $wgOut
1104 * @param $formCallback Optional callable that takes an OutputPage
1105 * parameter; will be called during form output
1106 * near the top, for captchas and the like.
1107 */
1108 function showEditForm( $formCallback=null ) {
1109 global $wgOut, $wgUser, $wgLang, $wgContLang, $wgMaxArticleSize, $wgTitle;
1110
1111 # If $wgTitle is null, that means we're in API mode.
1112 # Some hook probably called this function without checking
1113 # for is_null($wgTitle) first. Bail out right here so we don't
1114 # do lots of work just to discard it right after.
1115 if (is_null($wgTitle))
1116 return;
1117
1118 $fname = 'EditPage::showEditForm';
1119 wfProfileIn( $fname );
1120
1121 $sk = $wgUser->getSkin();
1122
1123 wfRunHooks( 'EditPage::showEditForm:initial', array( &$this ) ) ;
1124
1125 #need to parse the preview early so that we know which templates are used,
1126 #otherwise users with "show preview after edit box" will get a blank list
1127 #we parse this near the beginning so that setHeaders can do the title
1128 #setting work instead of leaving it in getPreviewText
1129 $previewOutput = '';
1130 if ( $this->formtype == 'preview' ) {
1131 $previewOutput = $this->getPreviewText();
1132 }
1133
1134 $this->setHeaders();
1135
1136 # Enabled article-related sidebar, toplinks, etc.
1137 $wgOut->setArticleRelated( true );
1138
1139 if ( $this->isConflict ) {
1140 $wgOut->addWikiMsg( 'explainconflict' );
1141
1142 $this->textbox2 = $this->textbox1;
1143 $this->textbox1 = $this->getContent();
1144 $this->edittime = $this->mArticle->getTimestamp();
1145 } else {
1146 if ( $this->section != '' && $this->section != 'new' ) {
1147 $matches = array();
1148 if ( !$this->summary && !$this->preview && !$this->diff ) {
1149 preg_match( "/^(=+)(.+)\\1/mi",
1150 $this->textbox1,
1151 $matches );
1152 if ( !empty( $matches[2] ) ) {
1153 global $wgParser;
1154 $this->summary = "/* " .
1155 $wgParser->stripSectionName(trim($matches[2])) .
1156 " */ ";
1157 }
1158 }
1159 }
1160
1161 if ( $this->missingComment ) {
1162 $wgOut->wrapWikiMsg( '<div id="mw-missingcommenttext">$1</div>', 'missingcommenttext' );
1163 }
1164
1165 if ( $this->missingSummary && $this->section != 'new' ) {
1166 $wgOut->wrapWikiMsg( '<div id="mw-missingsummary">$1</div>', 'missingsummary' );
1167 }
1168
1169 if ( $this->missingSummary && $this->section == 'new' ) {
1170 $wgOut->wrapWikiMsg( '<div id="mw-missingcommentheader">$1</div>', 'missingcommentheader' );
1171 }
1172
1173 if ( $this->hookError !== '' ) {
1174 $wgOut->addWikiText( $this->hookError );
1175 }
1176
1177 if ( !$this->checkUnicodeCompliantBrowser() ) {
1178 $wgOut->addWikiMsg( 'nonunicodebrowser' );
1179 }
1180 if ( isset( $this->mArticle ) && isset( $this->mArticle->mRevision ) ) {
1181 // Let sysop know that this will make private content public if saved
1182
1183 if ( !$this->mArticle->mRevision->userCan( Revision::DELETED_TEXT ) ) {
1184 $wgOut->addWikiMsg( 'rev-deleted-text-permission' );
1185 } else if ( $this->mArticle->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
1186 $wgOut->addWikiMsg( 'rev-deleted-text-view' );
1187 }
1188
1189 if ( !$this->mArticle->mRevision->isCurrent() ) {
1190 $this->mArticle->setOldSubtitle( $this->mArticle->mRevision->getId() );
1191 $wgOut->addWikiMsg( 'editingold' );
1192 }
1193 }
1194 }
1195
1196 if ( wfReadOnly() ) {
1197 $wgOut->wrapWikiMsg( "<div id=\"mw-read-only-warning\">\n$1\n</div>", array( 'readonlywarning', wfReadOnlyReason() ) );
1198 } elseif ( $wgUser->isAnon() && $this->formtype != 'preview' ) {
1199 $wgOut->wrapWikiMsg( '<div id="mw-anon-edit-warning">$1</div>', 'anoneditwarning' );
1200 } else {
1201 if ( $this->isCssJsSubpage ) {
1202 # Check the skin exists
1203 if ( $this->isValidCssJsSubpage ) {
1204 if ( $this->formtype !== 'preview' ) {
1205 $wgOut->addWikiMsg( 'usercssjsyoucanpreview' );
1206 }
1207 } else {
1208 $wgOut->addWikiMsg( 'userinvalidcssjstitle', $wgTitle->getSkinFromCssJsSubpage() );
1209 }
1210 }
1211 }
1212
1213 $classes = array(); // Textarea CSS
1214 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
1215 # Show a warning if editing an interface message
1216 $wgOut->addWikiMsg( 'editinginterface' );
1217 } elseif ( $this->mTitle->isProtected( 'edit' ) ) {
1218 # Is the title semi-protected?
1219 if ( $this->mTitle->isSemiProtected() ) {
1220 $noticeMsg = 'semiprotectedpagewarning';
1221 $classes[] = 'mw-textarea-sprotected';
1222 } else {
1223 # Then it must be protected based on static groups (regular)
1224 $noticeMsg = 'protectedpagewarning';
1225 $classes[] = 'mw-textarea-protected';
1226 }
1227 $wgOut->addHTML( "<div class='mw-warning-with-logexcerpt'>\n" );
1228 $wgOut->addWikiMsg( $noticeMsg );
1229 LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle->getPrefixedText(), '', 1 );
1230 $wgOut->addHTML( "</div>\n" );
1231 }
1232 if ( $this->mTitle->isCascadeProtected() ) {
1233 # Is this page under cascading protection from some source pages?
1234 list($cascadeSources, /* $restrictions */) = $this->mTitle->getCascadeProtectionSources();
1235 $notice = "$1\n";
1236 if ( count($cascadeSources) > 0 ) {
1237 # Explain, and list the titles responsible
1238 foreach( $cascadeSources as $page ) {
1239 $notice .= '* [[:' . $page->getPrefixedText() . "]]\n";
1240 }
1241 }
1242 $wgOut->wrapWikiMsg( $notice, array( 'cascadeprotectedwarning', count($cascadeSources) ) );
1243 }
1244 if ( !$this->mTitle->exists() && $this->mTitle->getRestrictions( 'create' ) ) {
1245 $wgOut->addWikiMsg( 'titleprotectedwarning' );
1246 }
1247
1248 if ( $this->kblength === false ) {
1249 $this->kblength = (int)(strlen( $this->textbox1 ) / 1024);
1250 }
1251 if ( $this->tooBig || $this->kblength > $wgMaxArticleSize ) {
1252 $wgOut->addHTML( "<div id='mw-edit-longpageerror'>\n" );
1253 $wgOut->addWikiMsg( 'longpageerror', $wgLang->formatNum( $this->kblength ), $wgLang->formatNum( $wgMaxArticleSize ) );
1254 $wgOut->addHTML( "</div>\n" );
1255 } elseif ( $this->kblength > 29 ) {
1256 $wgOut->addHTML( "<div id='mw-edit-longpagewarning'>\n" );
1257 $wgOut->addWikiMsg( 'longpagewarning', $wgLang->formatNum( $this->kblength ) );
1258 $wgOut->addHTML( "</div>\n" );
1259 }
1260
1261 $q = 'action='.$this->action;
1262 #if ( "no" == $redirect ) { $q .= "&redirect=no"; }
1263 $action = $wgTitle->escapeLocalURL( $q );
1264
1265 $colonSep = wfMsg( 'colon-separator' );
1266 $summary = wfMsg( 'summary' ) . $colonSep;
1267 $subject = wfMsg( 'subject' ) . $colonSep;
1268
1269 $cancel = $sk->makeKnownLink( $wgTitle->getPrefixedText(),
1270 wfMsgExt('cancel', array('parseinline')) );
1271 $edithelpurl = Skin::makeInternalOrExternalUrl( wfMsgForContent( 'edithelppage' ));
1272 $edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
1273 htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
1274 htmlspecialchars( wfMsg( 'newwindow' ) );
1275
1276 global $wgRightsText;
1277 if ( $wgRightsText ) {
1278 $copywarnMsg = array( 'copyrightwarning',
1279 '[[' . wfMsgForContent( 'copyrightpage' ) . ']]',
1280 $wgRightsText );
1281 } else {
1282 $copywarnMsg = array( 'copyrightwarning2',
1283 '[[' . wfMsgForContent( 'copyrightpage' ) . ']]' );
1284 }
1285
1286 if ( $wgUser->getOption('showtoolbar') and !$this->isCssJsSubpage ) {
1287 # prepare toolbar for edit buttons
1288 $toolbar = EditPage::getEditToolbar();
1289 } else {
1290 $toolbar = '';
1291 }
1292
1293 // activate checkboxes if user wants them to be always active
1294 if ( !$this->preview && !$this->diff ) {
1295 # Sort out the "watch" checkbox
1296 if ( $wgUser->getOption( 'watchdefault' ) ) {
1297 # Watch all edits
1298 $this->watchthis = true;
1299 } elseif ( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
1300 # Watch creations
1301 $this->watchthis = true;
1302 } elseif ( $this->mTitle->userIsWatching() ) {
1303 # Already watched
1304 $this->watchthis = true;
1305 }
1306
1307 if ( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
1308 }
1309
1310 $wgOut->addHTML( $this->editFormPageTop );
1311
1312 if ( $wgUser->getOption( 'previewontop' ) ) {
1313 $this->displayPreviewArea( $previewOutput, true );
1314 }
1315
1316
1317 $wgOut->addHTML( $this->editFormTextTop );
1318
1319 # if this is a comment, show a subject line at the top, which is also the edit summary.
1320 # Otherwise, show a summary field at the bottom
1321 $summarytext = htmlspecialchars( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
1322
1323 # If a blank edit summary was previously provided, and the appropriate
1324 # user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
1325 # user being bounced back more than once in the event that a summary
1326 # is not required.
1327 #####
1328 # For a bit more sophisticated detection of blank summaries, hash the
1329 # automatic one and pass that in the hidden field wpAutoSummary.
1330 $summaryhiddens = '';
1331 if ( $this->missingSummary ) $summaryhiddens .= Xml::hidden( 'wpIgnoreBlankSummary', true );
1332 $autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
1333 $summaryhiddens .= Xml::hidden( 'wpAutoSummary', $autosumm );
1334 if ( $this->section == 'new' ) {
1335 $commentsubject="<span id='wpSummaryLabel'><label for='wpSummary'>{$subject}</label></span>\n<input tabindex='1' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' />{$summaryhiddens}<br />";
1336 $editsummary = "<div class='editOptions'>\n";
1337 global $wgParser;
1338 $formattedSummary = wfMsgForContent( 'newsectionsummary', $wgParser->stripSectionName( $this->summary ) );
1339 $subjectpreview = $summarytext && $this->preview ? "<div class=\"mw-summary-preview\">".wfMsg('subject-preview').$colonSep.$sk->commentBlock( $formattedSummary, $this->mTitle, true )."</div>\n" : '';
1340 $summarypreview = '';
1341 } else {
1342 $commentsubject = '';
1343 $editsummary="<div class='editOptions'>\n<span id='wpSummaryLabel'><label for='wpSummary'>{$summary}</label></span>\n<input tabindex='2' type='text' value=\"$summarytext\" name='wpSummary' id='wpSummary' maxlength='200' size='60' />{$summaryhiddens}<br />";
1344 $summarypreview = $summarytext && $this->preview ? "<div class=\"mw-summary-preview\">".wfMsg('summary-preview').$colonSep.$sk->commentBlock( $this->summary, $this->mTitle )."</div>\n" : '';
1345 $subjectpreview = '';
1346 }
1347
1348 # Set focus to the edit box on load, except on preview or diff, where it would interfere with the display
1349 if ( !$this->preview && !$this->diff ) {
1350 $wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
1351 }
1352 $templates = $this->getTemplates();
1353 $formattedtemplates = $sk->formatTemplates( $templates, $this->preview, $this->section != '');
1354
1355 $hiddencats = $this->mArticle->getHiddenCategories();
1356 $formattedhiddencats = $sk->formatHiddenCategories( $hiddencats );
1357
1358 global $wgUseMetadataEdit ;
1359 if ( $wgUseMetadataEdit ) {
1360 $metadata = $this->mMetaData ;
1361 $metadata = htmlspecialchars( $wgContLang->recodeForEdit( $metadata ) ) ;
1362 $top = wfMsgWikiHtml( 'metadata_help' );
1363 /* ToDo: Replace with clean code */
1364 $ew = $wgUser->getOption( 'editwidth' );
1365 if ( $ew ) $ew = " style=\"width:100%\"";
1366 else $ew = '';
1367 $cols = $wgUser->getIntOption( 'cols' );
1368 /* /ToDo */
1369 $metadata = $top . "<textarea name='metadata' rows='3' cols='{$cols}'{$ew}>{$metadata}</textarea>" ;
1370 }
1371 else $metadata = "" ;
1372
1373 $recreate = '';
1374 if ( $this->wasDeletedSinceLastEdit() ) {
1375 if ( 'save' != $this->formtype ) {
1376 $wgOut->addWikiMsg('deletedwhileediting');
1377 } else {
1378 // Hide the toolbar and edit area, use can click preview to get it back
1379 // Add an confirmation checkbox and explanation.
1380 $toolbar = '';
1381 $recreate = $wgOut->parse( wfMsg( 'confirmrecreate', $this->lastDelete->user_name , $this->lastDelete->log_comment ));
1382 $recreate .=
1383 "<br /><input tabindex='1' type='checkbox' value='1' name='wpRecreate' id='wpRecreate' />".
1384 "<label for='wpRecreate' title='".wfMsg('tooltip-recreate')."'>". wfMsg('recreate')."</label>";
1385 }
1386 }
1387
1388 $tabindex = 2;
1389
1390 $checkboxes = self::getCheckboxes( $tabindex, $sk,
1391 array( 'minor' => $this->minoredit, 'watch' => $this->watchthis ) );
1392
1393 $checkboxhtml = implode( $checkboxes, "\n" );
1394
1395 $buttons = $this->getEditButtons( $tabindex );
1396 $buttonshtml = implode( $buttons, "\n" );
1397
1398 $safemodehtml = $this->checkUnicodeCompliantBrowser()
1399 ? '' : Xml::hidden( 'safemode', '1' );
1400
1401 $wgOut->addHTML( <<<END
1402 {$toolbar}
1403 <form id="editform" name="editform" method="post" action="$action" enctype="multipart/form-data">
1404 END
1405 );
1406
1407 if ( is_callable( $formCallback ) ) {
1408 call_user_func_array( $formCallback, array( &$wgOut ) );
1409 }
1410
1411 wfRunHooks( 'EditPage::showEditForm:fields', array( &$this, &$wgOut ) );
1412
1413 // Put these up at the top to ensure they aren't lost on early form submission
1414 $this->showFormBeforeText();
1415
1416 $wgOut->addHTML( <<<END
1417 {$recreate}
1418 {$commentsubject}
1419 {$subjectpreview}
1420 {$this->editFormTextBeforeContent}
1421 END
1422 );
1423 $this->showTextbox1( $classes );
1424
1425 $wgOut->wrapWikiMsg( "<div id=\"editpage-copywarn\">\n$1\n</div>", $copywarnMsg );
1426 $wgOut->addHTML( <<<END
1427 {$this->editFormTextAfterWarn}
1428 {$metadata}
1429 {$editsummary}
1430 {$summarypreview}
1431 {$checkboxhtml}
1432 {$safemodehtml}
1433 END
1434 );
1435
1436 $wgOut->addHTML(
1437 "<div class='editButtons'>
1438 {$buttonshtml}
1439 <span class='editHelp'>{$cancel} | {$edithelp}</span>
1440 </div><!-- editButtons -->
1441 </div><!-- editOptions -->");
1442
1443 /**
1444 * To make it harder for someone to slip a user a page
1445 * which submits an edit form to the wiki without their
1446 * knowledge, a random token is associated with the login
1447 * session. If it's not passed back with the submission,
1448 * we won't save the page, or render user JavaScript and
1449 * CSS previews.
1450 *
1451 * For anon editors, who may not have a session, we just
1452 * include the constant suffix to prevent editing from
1453 * broken text-mangling proxies.
1454 */
1455 $token = htmlspecialchars( $wgUser->editToken() );
1456 $wgOut->addHTML( "\n<input type='hidden' value=\"$token\" name=\"wpEditToken\" />\n" );
1457
1458 $this->showEditTools();
1459
1460 $wgOut->addHTML( <<<END
1461 {$this->editFormTextAfterTools}
1462 <div class='templatesUsed'>
1463 {$formattedtemplates}
1464 </div>
1465 <div class='hiddencats'>
1466 {$formattedhiddencats}
1467 </div>
1468 END
1469 );
1470
1471 if ( $this->isConflict && wfRunHooks( 'EditPageBeforeConflictDiff', array( &$this, &$wgOut ) ) ) {
1472 $wgOut->wrapWikiMsg( '==$1==', "yourdiff" );
1473
1474 $de = new DifferenceEngine( $this->mTitle );
1475 $de->setText( $this->textbox2, $this->textbox1 );
1476 $de->showDiff( wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
1477
1478 $wgOut->wrapWikiMsg( '==$1==', "yourtext" );
1479 $this->showTextbox2();
1480 }
1481 $wgOut->addHTML( $this->editFormTextBottom );
1482 $wgOut->addHTML( "</form>\n" );
1483 if ( !$wgUser->getOption( 'previewontop' ) ) {
1484 $this->displayPreviewArea( $previewOutput, false );
1485 }
1486
1487 wfProfileOut( $fname );
1488 }
1489
1490 protected function showFormBeforeText() {
1491 global $wgOut;
1492 $wgOut->addHTML( "
1493 <input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
1494 <input type='hidden' value=\"{$this->starttime}\" name=\"wpStarttime\" />\n
1495 <input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n
1496 <input type='hidden' value=\"{$this->scrolltop}\" name=\"wpScrolltop\" id=\"wpScrolltop\" />\n" );
1497 }
1498
1499 protected function showTextbox1( $classes ) {
1500 $attribs = array( 'tabindex' => 1 );
1501
1502 if ( $this->wasDeletedSinceLastEdit() )
1503 $attribs['type'] = 'hidden';
1504 if ( !empty($classes) )
1505 $attribs['class'] = implode(' ',$classes);
1506
1507 $this->showTextbox( $this->textbox1, 'wpTextbox1', $attribs );
1508 }
1509
1510 protected function showTextbox2() {
1511 $this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6 ) );
1512 }
1513
1514 protected function showTextbox( $content, $name, $attribs = array() ) {
1515 global $wgOut, $wgUser;
1516
1517 $wikitext = $this->safeUnicodeOutput( $content );
1518 if ( $wikitext !== '' ) {
1519 // Ensure there's a newline at the end, otherwise adding lines
1520 // is awkward.
1521 // But don't add a newline if the ext is empty, or Firefox in XHTML
1522 // mode will show an extra newline. A bit annoying.
1523 $wikitext .= "\n";
1524 }
1525
1526 $attribs['accesskey'] = ',';
1527 $attribs['id'] = $name;
1528
1529 if ( $wgUser->getOption( 'editwidth' ) )
1530 $attribs['style'] = 'width: 100%';
1531
1532 $wgOut->addHTML( Xml::textarea(
1533 $name,
1534 $wikitext,
1535 $wgUser->getIntOption( 'cols' ), $wgUser->getIntOption( 'rows' ),
1536 $attribs ) );
1537 }
1538
1539 protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
1540 global $wgOut;
1541 $classes = array();
1542 if ( $isOnTop )
1543 $classes[] = 'ontop';
1544
1545 $attribs = array( 'id' => 'wikiPreview', 'class' => implode( ' ', $classes ) );
1546
1547 if ( $this->formtype != 'preview' )
1548 $attribs['style'] = 'display: none;';
1549
1550 $wgOut->addHTML( Xml::openElement( 'div', $attribs ) );
1551
1552 if ( $this->formtype == 'preview' ) {
1553 $this->showPreview( $previewOutput );
1554 }
1555
1556 $wgOut->addHTML( '</div>' );
1557
1558 if ( $this->formtype == 'diff') {
1559 $this->showDiff();
1560 }
1561 }
1562
1563 /**
1564 * Append preview output to $wgOut.
1565 * Includes category rendering if this is a category page.
1566 *
1567 * @param string $text The HTML to be output for the preview.
1568 */
1569 protected function showPreview( $text ) {
1570 global $wgOut;
1571 if ( $this->mTitle->getNamespace() == NS_CATEGORY) {
1572 $this->mArticle->openShowCategory();
1573 }
1574 # This hook seems slightly odd here, but makes things more
1575 # consistent for extensions.
1576 wfRunHooks( 'OutputPageBeforeHTML',array( &$wgOut, &$text ) );
1577 $wgOut->addHTML( $text );
1578 if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
1579 $this->mArticle->closeShowCategory();
1580 }
1581 }
1582
1583 /**
1584 * Live Preview lets us fetch rendered preview page content and
1585 * add it to the page without refreshing the whole page.
1586 * If not supported by the browser it will fall through to the normal form
1587 * submission method.
1588 *
1589 * This function outputs a script tag to support live preview, and
1590 * returns an onclick handler which should be added to the attributes
1591 * of the preview button
1592 */
1593 function doLivePreviewScript() {
1594 global $wgOut, $wgTitle;
1595 $wgOut->addScriptFile( 'preview.js' );
1596 $liveAction = $wgTitle->getLocalUrl( "action={$this->action}&wpPreview=true&live=true" );
1597 return "return !lpDoPreview(" .
1598 "editform.wpTextbox1.value," .
1599 '"' . $liveAction . '"' . ")";
1600 }
1601
1602 protected function showEditTools() {
1603 global $wgOut;
1604 $wgOut->addHtml( '<div class="mw-editTools">' );
1605 $wgOut->addWikiMsgArray( 'edittools', array(), array( 'content' ) );
1606 $wgOut->addHtml( '</div>' );
1607 }
1608
1609 function getLastDelete() {
1610 $dbr = wfGetDB( DB_SLAVE );
1611 $data = $dbr->selectRow(
1612 array( 'logging', 'user' ),
1613 array( 'log_type',
1614 'log_action',
1615 'log_timestamp',
1616 'log_user',
1617 'log_namespace',
1618 'log_title',
1619 'log_comment',
1620 'log_params',
1621 'user_name', ),
1622 array( 'log_namespace' => $this->mTitle->getNamespace(),
1623 'log_title' => $this->mTitle->getDBkey(),
1624 'log_type' => 'delete',
1625 'log_action' => 'delete',
1626 'user_id=log_user' ),
1627 __METHOD__,
1628 array( 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' ) );
1629
1630 return $data;
1631 }
1632
1633 /**
1634 * Get the rendered text for previewing.
1635 * @return string
1636 */
1637 function getPreviewText() {
1638 global $wgOut, $wgUser, $wgTitle, $wgParser, $wgLang, $wgContLang;
1639
1640 wfProfileIn( __METHOD__ );
1641
1642 if ( $this->mTriedSave && !$this->mTokenOk ) {
1643 if ( $this->mTokenOkExceptSuffix ) {
1644 $note = wfMsg( 'token_suffix_mismatch' );
1645 } else {
1646 $note = wfMsg( 'session_fail_preview' );
1647 }
1648 } else {
1649 $note = wfMsg( 'previewnote' );
1650 }
1651
1652 $parserOptions = ParserOptions::newFromUser( $wgUser );
1653 $parserOptions->setEditSection( false );
1654
1655 global $wgRawHtml;
1656 if ( $wgRawHtml && !$this->mTokenOk ) {
1657 // Could be an offsite preview attempt. This is very unsafe if
1658 // HTML is enabled, as it could be an attack.
1659 return $wgOut->parse( "<div class='previewnote'>" .
1660 wfMsg( 'session_fail_preview_html' ) . "</div>" );
1661 }
1662
1663 # don't parse user css/js, show message about preview
1664 # XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here
1665
1666 if ( $this->isCssJsSubpage ) {
1667 if (preg_match("/\\.css$/", $this->mTitle->getText() ) ) {
1668 $previewtext = wfMsg('usercsspreview');
1669 } else if (preg_match("/\\.js$/", $this->mTitle->getText() ) ) {
1670 $previewtext = wfMsg('userjspreview');
1671 }
1672 $parserOptions->setTidy(true);
1673 $parserOutput = $wgParser->parse( $previewtext, $this->mTitle, $parserOptions );
1674 $previewHTML = $parserOutput->mText;
1675 } elseif ( $rt = Title::newFromRedirect( $this->textbox1 ) ) {
1676 $previewHTML = $this->mArticle->viewRedirect( $rt, false );
1677 } else {
1678 $toparse = $this->textbox1;
1679
1680 # If we're adding a comment, we need to show the
1681 # summary as the headline
1682 if ( $this->section=="new" && $this->summary!="" ) {
1683 $toparse="== {$this->summary} ==\n\n".$toparse;
1684 }
1685
1686 if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData;
1687
1688 // Parse mediawiki messages with correct target language
1689 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
1690 $pos = strrpos( $this->mTitle->getText(), '/' );
1691 if ( $pos !== false ) {
1692 $code = substr( $this->mTitle->getText(), $pos+1 );
1693 switch ($code) {
1694 case $wgLang->getCode():
1695 $obj = $wgLang; break;
1696 case $wgContLang->getCode():
1697 $obj = $wgContLang; break;
1698 default:
1699 $obj = Language::factory( $code );
1700 }
1701 $parserOptions->setTargetLanguage( $obj );
1702 }
1703 }
1704
1705
1706 $parserOptions->setTidy(true);
1707 $parserOptions->enableLimitReport();
1708 $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ),
1709 $this->mTitle, $parserOptions );
1710
1711 $previewHTML = $parserOutput->getText();
1712 $this->mParserOutput = $parserOutput;
1713 $wgOut->addParserOutputNoText( $parserOutput );
1714
1715 if ( count( $parserOutput->getWarnings() ) ) {
1716 $note .= "\n\n" . implode( "\n\n", $parserOutput->getWarnings() );
1717 }
1718 }
1719
1720 $previewhead = '<h2>' . htmlspecialchars( wfMsg( 'preview' ) ) . "</h2>\n" .
1721 "<div class='previewnote'>" . $wgOut->parse( $note ) . "</div>\n";
1722 if ( $this->isConflict ) {
1723 $previewhead .='<h2>' . htmlspecialchars( wfMsg( 'previewconflict' ) ) . "</h2>\n";
1724 }
1725
1726 wfProfileOut( __METHOD__ );
1727 return $previewhead . $previewHTML;
1728 }
1729
1730 function getTemplates() {
1731 if ( $this->preview || $this->section != '' ) {
1732 $templates = array();
1733 if ( !isset($this->mParserOutput) ) return $templates;
1734 foreach( $this->mParserOutput->getTemplates() as $ns => $template) {
1735 foreach( array_keys( $template ) as $dbk ) {
1736 $templates[] = Title::makeTitle($ns, $dbk);
1737 }
1738 }
1739 return $templates;
1740 } else {
1741 return $this->mArticle->getUsedTemplates();
1742 }
1743 }
1744
1745 /**
1746 * Call the stock "user is blocked" page
1747 */
1748 function blockedPage() {
1749 global $wgOut, $wgUser;
1750 $wgOut->blockedPage( false ); # Standard block notice on the top, don't 'return'
1751
1752 # If the user made changes, preserve them when showing the markup
1753 # (This happens when a user is blocked during edit, for instance)
1754 $first = $this->firsttime || ( !$this->save && $this->textbox1 == '' );
1755 if ( $first ) {
1756 $source = $this->mTitle->exists() ? $this->getContent() : false;
1757 } else {
1758 $source = $this->textbox1;
1759 }
1760
1761 # Spit out the source or the user's modified version
1762 if ( $source !== false ) {
1763 $rows = $wgUser->getIntOption( 'rows' );
1764 $cols = $wgUser->getIntOption( 'cols' );
1765 $attribs = array( 'id' => 'wpTextbox1', 'name' => 'wpTextbox1', 'cols' => $cols, 'rows' => $rows, 'readonly' => 'readonly' );
1766 $wgOut->addHtml( '<hr />' );
1767 $wgOut->addWikiMsg( $first ? 'blockedoriginalsource' : 'blockededitsource', $this->mTitle->getPrefixedText() );
1768 # Why we don't use Xml::element here?
1769 # Is it because if $source is '', it returns <textarea />?
1770 $wgOut->addHtml( Xml::openElement( 'textarea', $attribs ) . htmlspecialchars( $source ) . Xml::closeElement( 'textarea' ) );
1771 }
1772 }
1773
1774 /**
1775 * Produce the stock "please login to edit pages" page
1776 */
1777 function userNotLoggedInPage() {
1778 global $wgUser, $wgOut, $wgTitle;
1779 $skin = $wgUser->getSkin();
1780
1781 $loginTitle = SpecialPage::getTitleFor( 'Userlogin' );
1782 $loginLink = $skin->makeKnownLinkObj( $loginTitle, wfMsgHtml( 'loginreqlink' ), 'returnto=' . $wgTitle->getPrefixedUrl() );
1783
1784 $wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
1785 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1786 $wgOut->setArticleRelated( false );
1787
1788 $wgOut->addHtml( wfMsgWikiHtml( 'whitelistedittext', $loginLink ) );
1789 $wgOut->returnToMain( false, $wgTitle );
1790 }
1791
1792 /**
1793 * Creates a basic error page which informs the user that
1794 * they have attempted to edit a nonexistant section.
1795 */
1796 function noSuchSectionPage() {
1797 global $wgOut, $wgTitle;
1798
1799 $wgOut->setPageTitle( wfMsg( 'nosuchsectiontitle' ) );
1800 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1801 $wgOut->setArticleRelated( false );
1802
1803 $wgOut->addWikiMsg( 'nosuchsectiontext', $this->section );
1804 $wgOut->returnToMain( false, $wgTitle );
1805 }
1806
1807 /**
1808 * Produce the stock "your edit contains spam" page
1809 *
1810 * @param $match Text which triggered one or more filters
1811 */
1812 function spamPage( $match = false ) {
1813 global $wgOut, $wgTitle;
1814
1815 $wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
1816 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1817 $wgOut->setArticleRelated( false );
1818
1819 $wgOut->addHtml( '<div id="spamprotected">' );
1820 $wgOut->addWikiMsg( 'spamprotectiontext' );
1821 if ( $match )
1822 $wgOut->addWikiMsg( 'spamprotectionmatch', wfEscapeWikiText( $match ) );
1823 $wgOut->addHtml( '</div>' );
1824
1825 $wgOut->returnToMain( false, $wgTitle );
1826 }
1827
1828 /**
1829 * @private
1830 * @todo document
1831 */
1832 function mergeChangesInto( &$editText ){
1833 $fname = 'EditPage::mergeChangesInto';
1834 wfProfileIn( $fname );
1835
1836 $db = wfGetDB( DB_MASTER );
1837
1838 // This is the revision the editor started from
1839 $baseRevision = $this->getBaseRevision();
1840 if ( is_null( $baseRevision ) ) {
1841 wfProfileOut( $fname );
1842 return false;
1843 }
1844 $baseText = $baseRevision->getText();
1845
1846 // The current state, we want to merge updates into it
1847 $currentRevision = Revision::loadFromTitle(
1848 $db, $this->mTitle );
1849 if ( is_null( $currentRevision ) ) {
1850 wfProfileOut( $fname );
1851 return false;
1852 }
1853 $currentText = $currentRevision->getText();
1854
1855 $result = '';
1856 if ( wfMerge( $baseText, $editText, $currentText, $result ) ) {
1857 $editText = $result;
1858 wfProfileOut( $fname );
1859 return true;
1860 } else {
1861 wfProfileOut( $fname );
1862 return false;
1863 }
1864 }
1865
1866 /**
1867 * Check if the browser is on a blacklist of user-agents known to
1868 * mangle UTF-8 data on form submission. Returns true if Unicode
1869 * should make it through, false if it's known to be a problem.
1870 * @return bool
1871 * @private
1872 */
1873 function checkUnicodeCompliantBrowser() {
1874 global $wgBrowserBlackList;
1875 if ( empty( $_SERVER["HTTP_USER_AGENT"] ) ) {
1876 // No User-Agent header sent? Trust it by default...
1877 return true;
1878 }
1879 $currentbrowser = $_SERVER["HTTP_USER_AGENT"];
1880 foreach ( $wgBrowserBlackList as $browser ) {
1881 if ( preg_match($browser, $currentbrowser) ) {
1882 return false;
1883 }
1884 }
1885 return true;
1886 }
1887
1888 /**
1889 * @deprecated use $wgParser->stripSectionName()
1890 */
1891 function pseudoParseSectionAnchor( $text ) {
1892 global $wgParser;
1893 return $wgParser->stripSectionName( $text );
1894 }
1895
1896 /**
1897 * Format an anchor fragment as it would appear for a given section name
1898 * @param string $text
1899 * @return string
1900 * @private
1901 */
1902 function sectionAnchor( $text ) {
1903 global $wgParser;
1904 return $wgParser->guessSectionNameFromWikiText( $text );
1905 }
1906
1907 /**
1908 * Shows a bulletin board style toolbar for common editing functions.
1909 * It can be disabled in the user preferences.
1910 * The necessary JavaScript code can be found in skins/common/edit.js.
1911 *
1912 * @return string
1913 */
1914 static function getEditToolbar() {
1915 global $wgStylePath, $wgContLang, $wgLang, $wgJsMimeType;
1916
1917 /**
1918 * toolarray an array of arrays which each include the filename of
1919 * the button image (without path), the opening tag, the closing tag,
1920 * and optionally a sample text that is inserted between the two when no
1921 * selection is highlighted.
1922 * The tip text is shown when the user moves the mouse over the button.
1923 *
1924 * Already here are accesskeys (key), which are not used yet until someone
1925 * can figure out a way to make them work in IE. However, we should make
1926 * sure these keys are not defined on the edit page.
1927 */
1928 $toolarray = array(
1929 array(
1930 'image' => $wgLang->getImageFile('button-bold'),
1931 'id' => 'mw-editbutton-bold',
1932 'open' => '\'\'\'',
1933 'close' => '\'\'\'',
1934 'sample' => wfMsg('bold_sample'),
1935 'tip' => wfMsg('bold_tip'),
1936 'key' => 'B'
1937 ),
1938 array(
1939 'image' => $wgLang->getImageFile('button-italic'),
1940 'id' => 'mw-editbutton-italic',
1941 'open' => '\'\'',
1942 'close' => '\'\'',
1943 'sample' => wfMsg('italic_sample'),
1944 'tip' => wfMsg('italic_tip'),
1945 'key' => 'I'
1946 ),
1947 array(
1948 'image' => $wgLang->getImageFile('button-link'),
1949 'id' => 'mw-editbutton-link',
1950 'open' => '[[',
1951 'close' => ']]',
1952 'sample' => wfMsg('link_sample'),
1953 'tip' => wfMsg('link_tip'),
1954 'key' => 'L'
1955 ),
1956 array(
1957 'image' => $wgLang->getImageFile('button-extlink'),
1958 'id' => 'mw-editbutton-extlink',
1959 'open' => '[',
1960 'close' => ']',
1961 'sample' => wfMsg('extlink_sample'),
1962 'tip' => wfMsg('extlink_tip'),
1963 'key' => 'X'
1964 ),
1965 array(
1966 'image' => $wgLang->getImageFile('button-headline'),
1967 'id' => 'mw-editbutton-headline',
1968 'open' => "\n== ",
1969 'close' => " ==\n",
1970 'sample' => wfMsg('headline_sample'),
1971 'tip' => wfMsg('headline_tip'),
1972 'key' => 'H'
1973 ),
1974 array(
1975 'image' => $wgLang->getImageFile('button-image'),
1976 'id' => 'mw-editbutton-image',
1977 'open' => '[['.$wgContLang->getNsText(NS_IMAGE).':',
1978 'close' => ']]',
1979 'sample' => wfMsg('image_sample'),
1980 'tip' => wfMsg('image_tip'),
1981 'key' => 'D'
1982 ),
1983 array(
1984 'image' => $wgLang->getImageFile('button-media'),
1985 'id' => 'mw-editbutton-media',
1986 'open' => '[['.$wgContLang->getNsText(NS_MEDIA).':',
1987 'close' => ']]',
1988 'sample' => wfMsg('media_sample'),
1989 'tip' => wfMsg('media_tip'),
1990 'key' => 'M'
1991 ),
1992 array(
1993 'image' => $wgLang->getImageFile('button-math'),
1994 'id' => 'mw-editbutton-math',
1995 'open' => "<math>",
1996 'close' => "</math>",
1997 'sample' => wfMsg('math_sample'),
1998 'tip' => wfMsg('math_tip'),
1999 'key' => 'C'
2000 ),
2001 array(
2002 'image' => $wgLang->getImageFile('button-nowiki'),
2003 'id' => 'mw-editbutton-nowiki',
2004 'open' => "<nowiki>",
2005 'close' => "</nowiki>",
2006 'sample' => wfMsg('nowiki_sample'),
2007 'tip' => wfMsg('nowiki_tip'),
2008 'key' => 'N'
2009 ),
2010 array(
2011 'image' => $wgLang->getImageFile('button-sig'),
2012 'id' => 'mw-editbutton-signature',
2013 'open' => '--~~~~',
2014 'close' => '',
2015 'sample' => '',
2016 'tip' => wfMsg('sig_tip'),
2017 'key' => 'Y'
2018 ),
2019 array(
2020 'image' => $wgLang->getImageFile('button-hr'),
2021 'id' => 'mw-editbutton-hr',
2022 'open' => "\n----\n",
2023 'close' => '',
2024 'sample' => '',
2025 'tip' => wfMsg('hr_tip'),
2026 'key' => 'R'
2027 )
2028 );
2029 $toolbar = "<div id='toolbar'>\n";
2030 $toolbar.="<script type='$wgJsMimeType'>\n/*<![CDATA[*/\n";
2031
2032 foreach($toolarray as $tool) {
2033 $params = array(
2034 $image = $wgStylePath.'/common/images/'.$tool['image'],
2035 // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
2036 // Older browsers show a "speedtip" type message only for ALT.
2037 // Ideally these should be different, realistically they
2038 // probably don't need to be.
2039 $tip = $tool['tip'],
2040 $open = $tool['open'],
2041 $close = $tool['close'],
2042 $sample = $tool['sample'],
2043 $cssId = $tool['id'],
2044 );
2045
2046 $paramList = implode( ',',
2047 array_map( array( 'Xml', 'encodeJsVar' ), $params ) );
2048 $toolbar.="addButton($paramList);\n";
2049 }
2050
2051 $toolbar.="/*]]>*/\n</script>";
2052 $toolbar.="\n</div>";
2053 return $toolbar;
2054 }
2055
2056 /**
2057 * Returns an array of html code of the following checkboxes:
2058 * minor and watch
2059 *
2060 * @param $tabindex Current tabindex
2061 * @param $skin Skin object
2062 * @param $checked Array of checkbox => bool, where bool indicates the checked
2063 * status of the checkbox
2064 *
2065 * @return array
2066 */
2067 public static function getCheckboxes( &$tabindex, $skin, $checked ) {
2068 global $wgUser;
2069
2070 $checkboxes = array();
2071
2072 $checkboxes['minor'] = '';
2073 $minorLabel = wfMsgExt('minoredit', array('parseinline'));
2074 if ( $wgUser->isAllowed('minoredit') ) {
2075 $attribs = array(
2076 'tabindex' => ++$tabindex,
2077 'accesskey' => wfMsg( 'accesskey-minoredit' ),
2078 'id' => 'wpMinoredit',
2079 );
2080 $checkboxes['minor'] =
2081 Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
2082 "&nbsp;<label for='wpMinoredit'".$skin->tooltip('minoredit', 'withaccess').">{$minorLabel}</label>";
2083 }
2084
2085 $watchLabel = wfMsgExt('watchthis', array('parseinline'));
2086 $checkboxes['watch'] = '';
2087 if ( $wgUser->isLoggedIn() ) {
2088 $attribs = array(
2089 'tabindex' => ++$tabindex,
2090 'accesskey' => wfMsg( 'accesskey-watch' ),
2091 'id' => 'wpWatchthis',
2092 );
2093 $checkboxes['watch'] =
2094 Xml::check( 'wpWatchthis', $checked['watch'], $attribs ) .
2095 "&nbsp;<label for='wpWatchthis'".$skin->tooltip('watch', 'withaccess').">{$watchLabel}</label>";
2096 }
2097 return $checkboxes;
2098 }
2099
2100 /**
2101 * Returns an array of html code of the following buttons:
2102 * save, diff, preview and live
2103 *
2104 * @param $tabindex Current tabindex
2105 *
2106 * @return array
2107 */
2108 public function getEditButtons(&$tabindex) {
2109 global $wgLivePreview, $wgUser;
2110
2111 $buttons = array();
2112
2113 $temp = array(
2114 'id' => 'wpSave',
2115 'name' => 'wpSave',
2116 'type' => 'submit',
2117 'tabindex' => ++$tabindex,
2118 'value' => wfMsg('savearticle'),
2119 'accesskey' => wfMsg('accesskey-save'),
2120 'title' => wfMsg( 'tooltip-save' ).' ['.wfMsg( 'accesskey-save' ).']',
2121 );
2122 $buttons['save'] = Xml::element('input', $temp, '');
2123
2124 ++$tabindex; // use the same for preview and live preview
2125 if ( $wgLivePreview && $wgUser->getOption( 'uselivepreview' ) ) {
2126 $temp = array(
2127 'id' => 'wpPreview',
2128 'name' => 'wpPreview',
2129 'type' => 'submit',
2130 'tabindex' => $tabindex,
2131 'value' => wfMsg('showpreview'),
2132 'accesskey' => '',
2133 'title' => wfMsg( 'tooltip-preview' ).' ['.wfMsg( 'accesskey-preview' ).']',
2134 'style' => 'display: none;',
2135 );
2136 $buttons['preview'] = Xml::element('input', $temp, '');
2137
2138 $temp = array(
2139 'id' => 'wpLivePreview',
2140 'name' => 'wpLivePreview',
2141 'type' => 'submit',
2142 'tabindex' => $tabindex,
2143 'value' => wfMsg('showlivepreview'),
2144 'accesskey' => wfMsg('accesskey-preview'),
2145 'title' => '',
2146 'onclick' => $this->doLivePreviewScript(),
2147 );
2148 $buttons['live'] = Xml::element('input', $temp, '');
2149 } else {
2150 $temp = array(
2151 'id' => 'wpPreview',
2152 'name' => 'wpPreview',
2153 'type' => 'submit',
2154 'tabindex' => $tabindex,
2155 'value' => wfMsg('showpreview'),
2156 'accesskey' => wfMsg('accesskey-preview'),
2157 'title' => wfMsg( 'tooltip-preview' ).' ['.wfMsg( 'accesskey-preview' ).']',
2158 );
2159 $buttons['preview'] = Xml::element('input', $temp, '');
2160 $buttons['live'] = '';
2161 }
2162
2163 $temp = array(
2164 'id' => 'wpDiff',
2165 'name' => 'wpDiff',
2166 'type' => 'submit',
2167 'tabindex' => ++$tabindex,
2168 'value' => wfMsg('showdiff'),
2169 'accesskey' => wfMsg('accesskey-diff'),
2170 'title' => wfMsg( 'tooltip-diff' ).' ['.wfMsg( 'accesskey-diff' ).']',
2171 );
2172 $buttons['diff'] = Xml::element('input', $temp, '');
2173
2174 wfRunHooks( 'EditPageBeforeEditButtons', array( &$this, &$buttons ) );
2175 return $buttons;
2176 }
2177
2178 /**
2179 * Output preview text only. This can be sucked into the edit page
2180 * via JavaScript, and saves the server time rendering the skin as
2181 * well as theoretically being more robust on the client (doesn't
2182 * disturb the edit box's undo history, won't eat your text on
2183 * failure, etc).
2184 *
2185 * @todo This doesn't include category or interlanguage links.
2186 * Would need to enhance it a bit, <s>maybe wrap them in XML
2187 * or something...</s> that might also require more skin
2188 * initialization, so check whether that's a problem.
2189 */
2190 function livePreview() {
2191 global $wgOut;
2192 $wgOut->disable();
2193 header( 'Content-type: text/xml; charset=utf-8' );
2194 header( 'Cache-control: no-cache' );
2195
2196 $previewText = $this->getPreviewText();
2197 #$categories = $skin->getCategoryLinks();
2198
2199 $s =
2200 '<?xml version="1.0" encoding="UTF-8" ?>' . "\n" .
2201 Xml::tags( 'livepreview', null,
2202 Xml::element( 'preview', null, $previewText )
2203 #. Xml::element( 'category', null, $categories )
2204 );
2205 echo $s;
2206 }
2207
2208
2209 /**
2210 * Get a diff between the current contents of the edit box and the
2211 * version of the page we're editing from.
2212 *
2213 * If this is a section edit, we'll replace the section as for final
2214 * save and then make a comparison.
2215 */
2216 function showDiff() {
2217 $oldtext = $this->mArticle->fetchContent();
2218 $newtext = $this->mArticle->replaceSection(
2219 $this->section, $this->textbox1, $this->summary, $this->edittime );
2220 $newtext = $this->mArticle->preSaveTransform( $newtext );
2221 $oldtitle = wfMsgExt( 'currentrev', array('parseinline') );
2222 $newtitle = wfMsgExt( 'yourtext', array('parseinline') );
2223 if ( $oldtext !== false || $newtext != '' ) {
2224 $de = new DifferenceEngine( $this->mTitle );
2225 $de->setText( $oldtext, $newtext );
2226 $difftext = $de->getDiff( $oldtitle, $newtitle );
2227 $de->showDiffStyle();
2228 } else {
2229 $difftext = '';
2230 }
2231
2232 global $wgOut;
2233 $wgOut->addHtml( '<div id="wikiDiff">' . $difftext . '</div>' );
2234 }
2235
2236 /**
2237 * Filter an input field through a Unicode de-armoring process if it
2238 * came from an old browser with known broken Unicode editing issues.
2239 *
2240 * @param WebRequest $request
2241 * @param string $field
2242 * @return string
2243 * @private
2244 */
2245 function safeUnicodeInput( $request, $field ) {
2246 $text = rtrim( $request->getText( $field ) );
2247 return $request->getBool( 'safemode' )
2248 ? $this->unmakesafe( $text )
2249 : $text;
2250 }
2251
2252 /**
2253 * Filter an output field through a Unicode armoring process if it is
2254 * going to an old browser with known broken Unicode editing issues.
2255 *
2256 * @param string $text
2257 * @return string
2258 * @private
2259 */
2260 function safeUnicodeOutput( $text ) {
2261 global $wgContLang;
2262 $codedText = $wgContLang->recodeForEdit( $text );
2263 return $this->checkUnicodeCompliantBrowser()
2264 ? $codedText
2265 : $this->makesafe( $codedText );
2266 }
2267
2268 /**
2269 * A number of web browsers are known to corrupt non-ASCII characters
2270 * in a UTF-8 text editing environment. To protect against this,
2271 * detected browsers will be served an armored version of the text,
2272 * with non-ASCII chars converted to numeric HTML character references.
2273 *
2274 * Preexisting such character references will have a 0 added to them
2275 * to ensure that round-trips do not alter the original data.
2276 *
2277 * @param string $invalue
2278 * @return string
2279 * @private
2280 */
2281 function makesafe( $invalue ) {
2282 // Armor existing references for reversability.
2283 $invalue = strtr( $invalue, array( "&#x" => "&#x0" ) );
2284
2285 $bytesleft = 0;
2286 $result = "";
2287 $working = 0;
2288 for( $i = 0; $i < strlen( $invalue ); $i++ ) {
2289 $bytevalue = ord( $invalue{$i} );
2290 if ( $bytevalue <= 0x7F ) { //0xxx xxxx
2291 $result .= chr( $bytevalue );
2292 $bytesleft = 0;
2293 } elseif ( $bytevalue <= 0xBF ) { //10xx xxxx
2294 $working = $working << 6;
2295 $working += ($bytevalue & 0x3F);
2296 $bytesleft--;
2297 if ( $bytesleft <= 0 ) {
2298 $result .= "&#x" . strtoupper( dechex( $working ) ) . ";";
2299 }
2300 } elseif ( $bytevalue <= 0xDF ) { //110x xxxx
2301 $working = $bytevalue & 0x1F;
2302 $bytesleft = 1;
2303 } elseif ( $bytevalue <= 0xEF ) { //1110 xxxx
2304 $working = $bytevalue & 0x0F;
2305 $bytesleft = 2;
2306 } else { //1111 0xxx
2307 $working = $bytevalue & 0x07;
2308 $bytesleft = 3;
2309 }
2310 }
2311 return $result;
2312 }
2313
2314 /**
2315 * Reverse the previously applied transliteration of non-ASCII characters
2316 * back to UTF-8. Used to protect data from corruption by broken web browsers
2317 * as listed in $wgBrowserBlackList.
2318 *
2319 * @param string $invalue
2320 * @return string
2321 * @private
2322 */
2323 function unmakesafe( $invalue ) {
2324 $result = "";
2325 for( $i = 0; $i < strlen( $invalue ); $i++ ) {
2326 if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue{$i+3} != '0' ) ) {
2327 $i += 3;
2328 $hexstring = "";
2329 do {
2330 $hexstring .= $invalue{$i};
2331 $i++;
2332 } while( ctype_xdigit( $invalue{$i} ) && ( $i < strlen( $invalue ) ) );
2333
2334 // Do some sanity checks. These aren't needed for reversability,
2335 // but should help keep the breakage down if the editor
2336 // breaks one of the entities whilst editing.
2337 if ( (substr($invalue,$i,1)==";") and (strlen($hexstring) <= 6) ) {
2338 $codepoint = hexdec($hexstring);
2339 $result .= codepointToUtf8( $codepoint );
2340 } else {
2341 $result .= "&#x" . $hexstring . substr( $invalue, $i, 1 );
2342 }
2343 } else {
2344 $result .= substr( $invalue, $i, 1 );
2345 }
2346 }
2347 // reverse the transform that we made for reversability reasons.
2348 return strtr( $result, array( "&#x0" => "&#x" ) );
2349 }
2350
2351 function noCreatePermission() {
2352 global $wgOut;
2353 $wgOut->setPageTitle( wfMsg( 'nocreatetitle' ) );
2354 $wgOut->addWikiMsg( 'nocreatetext' );
2355 }
2356
2357 /**
2358 * If there are rows in the deletion log for this page, show them,
2359 * along with a nice little note for the user
2360 *
2361 * @param OutputPage $out
2362 */
2363 protected function showDeletionLog( $out ) {
2364 global $wgUser;
2365 $loglist = new LogEventsList( $wgUser->getSkin(), $out );
2366 $pager = new LogPager( $loglist, 'delete', false, $this->mTitle->getPrefixedText() );
2367 $count = $pager->getNumRows();
2368 if ( $count > 0 ) {
2369 $pager->mLimit = 10;
2370 $out->addHtml( '<div class="mw-warning-with-logexcerpt">' );
2371 $out->addWikiMsg( 'recreate-deleted-warn' );
2372 $out->addHTML(
2373 $loglist->beginLogEventsList() .
2374 $pager->getBody() .
2375 $loglist->endLogEventsList()
2376 );
2377 if($count > 10){
2378 $out->addHtml( $wgUser->getSkin()->link(
2379 SpecialPage::getTitleFor( 'Log' ),
2380 wfMsgHtml( 'deletelog-fulllog' ),
2381 array(),
2382 array(
2383 'type' => 'delete',
2384 'page' => $this->mTitle->getPrefixedText() ) ) );
2385 }
2386 $out->addHtml( '</div>' );
2387 return true;
2388 }
2389
2390 return false;
2391 }
2392
2393 /**
2394 * Attempt submission
2395 * @return bool false if output is done, true if the rest of the form should be displayed
2396 */
2397 function attemptSave() {
2398 global $wgUser, $wgOut, $wgTitle, $wgRequest;
2399
2400 $resultDetails = false;
2401 $value = $this->internalAttemptSave( $resultDetails, $wgUser->isAllowed('bot') && $wgRequest->getBool('bot', true) );
2402
2403 if ( $value == self::AS_SUCCESS_UPDATE || $value == self::AS_SUCCESS_NEW_ARTICLE ) {
2404 $this->didSave = true;
2405 }
2406
2407 switch ($value) {
2408 case self::AS_HOOK_ERROR_EXPECTED:
2409 case self::AS_CONTENT_TOO_BIG:
2410 case self::AS_ARTICLE_WAS_DELETED:
2411 case self::AS_CONFLICT_DETECTED:
2412 case self::AS_SUMMARY_NEEDED:
2413 case self::AS_TEXTBOX_EMPTY:
2414 case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
2415 case self::AS_END:
2416 return true;
2417
2418 case self::AS_HOOK_ERROR:
2419 case self::AS_FILTERING:
2420 case self::AS_SUCCESS_NEW_ARTICLE:
2421 case self::AS_SUCCESS_UPDATE:
2422 return false;
2423
2424 case self::AS_SPAM_ERROR:
2425 $this->spamPage ( $resultDetails['spam'] );
2426 return false;
2427
2428 case self::AS_BLOCKED_PAGE_FOR_USER:
2429 $this->blockedPage();
2430 return false;
2431
2432 case self::AS_IMAGE_REDIRECT_ANON:
2433 $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
2434 return false;
2435
2436 case self::AS_READ_ONLY_PAGE_ANON:
2437 $this->userNotLoggedInPage();
2438 return false;
2439
2440 case self::AS_READ_ONLY_PAGE_LOGGED:
2441 case self::AS_READ_ONLY_PAGE:
2442 $wgOut->readOnlyPage();
2443 return false;
2444
2445 case self::AS_RATE_LIMITED:
2446 $wgOut->rateLimited();
2447 return false;
2448
2449 case self::AS_NO_CREATE_PERMISSION;
2450 $this->noCreatePermission();
2451 return;
2452
2453 case self::AS_BLANK_ARTICLE:
2454 $wgOut->redirect( $wgTitle->getFullURL() );
2455 return false;
2456
2457 case self::AS_IMAGE_REDIRECT_LOGGED:
2458 $wgOut->permissionRequired( 'upload' );
2459 return false;
2460 }
2461 }
2462
2463 function getBaseRevision() {
2464 if ( $this->mBaseRevision == false ) {
2465 $db = wfGetDB( DB_MASTER );
2466 $baseRevision = Revision::loadFromTimestamp(
2467 $db, $this->mTitle, $this->edittime );
2468 return $this->mBaseRevision = $baseRevision;
2469 } else {
2470 return $this->mBaseRevision;
2471 }
2472 }
2473 }
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